not unmute when disconnect hdmi_out [Audio]

do not unmute when disconnect hdmi_out.

Bug: 297980843

Test: play some video, mute it, then unplug hdmitx, plug hdmitx

Change-Id: I1005550cbf7f8c2e586397ab7127a7fc087dde1d
Signed-off-by: hongchao.yin <hongchao.yin@amlogic.com>
diff --git a/services/core/java/com/android/server/audio/AudioService.java b/services/core/java/com/android/server/audio/AudioService.java
index 39d9b45..e9acce6 100644
--- a/services/core/java/com/android/server/audio/AudioService.java
+++ b/services/core/java/com/android/server/audio/AudioService.java
@@ -7629,7 +7629,6 @@
         DEVICE_MEDIA_UNMUTED_ON_PLUG_SET.addAll(AudioSystem.DEVICE_OUT_ALL_A2DP_SET);
         DEVICE_MEDIA_UNMUTED_ON_PLUG_SET.addAll(AudioSystem.DEVICE_OUT_ALL_BLE_SET);
         DEVICE_MEDIA_UNMUTED_ON_PLUG_SET.addAll(AudioSystem.DEVICE_OUT_ALL_USB_SET);
-        DEVICE_MEDIA_UNMUTED_ON_PLUG_SET.add(AudioSystem.DEVICE_OUT_HDMI);
     }
 
     /** only public for mocking/spying, do not call outside of AudioService */